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Premium Member
Challenger SRT Hellcat
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1,856 Posts
Discussion Starter · #1 · (Edited)
For those thinking that getting your hellcat into the 9's is easy, I did some numbers for you, they may not be exact but should be fairly close. Horse power is taken from the engine not rear wheels and drag radials or slicks are used for tires. Loosing weight will be an issue as the faster you go you will need safety equipment to match the speed.

HP 707 4400 lbs ET 10.71 @ 126
HP 757 4400lbs ET 10.47 @ 128
HP 807 4400lbs ET 10.25 @ 131
HP 857 4400lbs ET 10.05 @ 133
HP 907 4400lbs ET 9.86 @ 136

HP 707 4200lbs ET 10.55 @ 127
HP 757 4200lbs ET 10.31 @130
HP 807 4200lbs ET 10.09 @133

HP 707 4000lbs ET 10.38 @129
HP 757 4000lbs ET 10.15 @132
HP 807 4000lbs ET 9.93 @135
 

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Left Shark
Challenger SRT Hellcat
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1,012 Posts
Continue the calculations while retaining stock weight please. I'm guessing it'll take 907hp to get into the 9's.
 

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Premium Member
Challenger SRT Hellcat
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1,856 Posts
Discussion Starter · #8 ·
Getting weight out of a modern challenger is not that easy if you still want it safe and looking like a car,the Hellcat is a super street muscle car and should stay that way, I'm not sure how the local tracks are going to treat the Hellcat as far as a roll bar, but I may do it anyway, RPM is a great company for this mod if anyone is thinking of doing it.
As far as weight loss, take the loose stuff out of the trunk, passenger seat maybe, 1/4 tank of 93 and 2gal of 109, no cheese burgers on race day,LOL
 

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Premium Member
Challenger SRT Hellcat
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1,856 Posts
Discussion Starter · #10 ·
I just moved a set of front seats in the warehouse, I'm thinking around 50lbs ea and the rear seats are maybe 20-25 lbs, having two race Challengers I can tell you it's tough to loose weight because the faster you go the more you need to put back in with safety stuff.
 

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Premium Member
Challenger SRT Hellcat
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1,856 Posts
Discussion Starter · #12 ·
So it sounds like it would be easier to upgrade the drivetrain to handle more power, after they crack the ecm,, I would be happy with around 725 at the wheels and be safe, meaning not going to break anything
That's the direction I'm going with this car..... I have a hard enough time keeping the race cars on the strip,LOL
 

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The Punisher
Challenger SRT Hellcat
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1,043 Posts
There's actually a chart somewhere on another message board where someone pulled and weighed everything...stereo, carpet, trunk liner, lid, seats, headliner, etc. It was impressive, but you really will struggle to find those pounds. Ultra light wheels are a big deal, carbon fiber panels, etc.
 
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